Sorrell, Vincent L., author
Questions, tricks, and tips for the echocardiography boards
Wolters Kluwer, 2015
 Buku Teks
Rojanapithayakorn, Wiwat, author
Tuberculosis and HIV : some questions and answers
SEARO, 1999
 Buku Teks
Chattopadhyay, P., author
Boiler operation engineering : questions and answers
McGraw-Hill, 2001
 Buku Teks
Bentley, John Edward, author
Philosophy an outline-history: with questions and answers
Littlefield, Adams, 1958
 Buku Teks
Questions of international law; Vol. 2
edited by György Haraszti
Sijthoff and Noordhoff, 1981
 Buku Teks